Table. Characteristics of Medicare Beneficiaries by Hospital Settlement Status With the US Department of Justice (DOJ).
| Patient Characteristics | Total Samplea | Hospital Settlement Status With the DOJ | |||
|---|---|---|---|---|---|
| Settled | Did Not Settle | ||||
| No. of ICD procedures (%) | 300 151 (100.0) | 99 591 (33.2) | 200 560 (66.8) | ||
| Age, mean (SD), y | 75.1 (6.3) | 75.2 (6.4) | 75.1 (6.3) | ||
| Women | 85 632 (28.5) | 28 624 (28.7) | 57 008 (28.4) | ||
| Insurance | |||||
| Medicare only | 100 589 (33.5) | 33 318 (33.5) | 67 271 (33.5) | ||
| Medicare and private | 165 034 (55.0) | 54 597 (54.8) | 110 437 (55.1) | ||
| Medicare and other | 34 528 (11.5) | 11 676 (11.7) | 22 852 (11.4) | ||
| Prior history | |||||
| Prior myocardial infarction | |||||
| No | 133 863 (44.6) | 44 216 (44.4) | 89 647 (44.7) | ||
| Yes ≤40 d of ICD implant | 11 357 (3.8) | 4107 (4.1) | 7250 (3.6) | ||
| Yes >40 d since ICD implant | 154 931 (51.6) | 51 268 (51.5) | 103 663 (51.7) | ||
| Atrial fibrillation and flutter | 121 655 (40.6) | 40 664 (40.9) | 80 991 (40.4) | ||
| Coronary artery bypass graft | 113 492 (37.8) | 38 308 (38.5) | 75 184 (37.5) | ||
| Cerebrovascular accident | 52 637 (17.6) | 17 235 (17.3) | 35 402 (17.7) | ||
| Diabetes | 125 267 (41.8) | 41 550 (41.8) | 83 717 (41.8) | ||
| Hypertension | 252 027 (84.0) | 84 058 (84.5) | 167 969 (83.8) | ||
| End-stage renal disease | 9388 (3.1) | 3337 (3.4) | 6051 (3.0) | ||
| Heart failure | 286 351 (95.4) | 95 069 (95.5) | 191 282 (95.4) | ||
| Heart failure duration | |||||
| <3 mo | 31 673 (11.1) | 10 988 (11.6) | 20 685 (10.8) | ||
| 3 to 9 mo | 55 340 (19.3) | 18 857 (19.8) | 36 483 (19.1) | ||
| >9 mo | 199 338 (69.6) | 65 224 (68.6) | 134 114 (70.1) | ||
| LVEF, mean (SD), % | 25.0 (6.2) | 25.0 (6.3) | 25.0 (6.2) | ||
| New York Heart Association classb | |||||
| I | 11 413 (3.8) | 3514 (3.5) | 7899 (3.9) | ||
| II | 94 774 (31.6) | 29 607 (29.7) | 65 167 (32.5) | ||
| III | 182 891 (60.9) | 62 543 (62.8) | 120 348 (60.0) | ||
| IV | 11 073 (3.7) | 3927 (3.9) | 7146 (3.6) | ||
| QRS duration, mean (SD), ms | 132 (32.6) | 132 (32.6) | 132 (32.7) | ||
| ICD type | |||||
| Single | 54 566 (18.2) | 15 996 (16.1) | 38 570 (19.2) | ||
| Dual | 86 660 (28.9) | 28 742 (28.9) | 57 918 (28.9) | ||
| CRT-D | 158 925 (53.0) | 54 853 (55.1) | 104 072 (51.9) | ||
Abbreviations: CRT-D, cardiac resynchronization therapy implantable cardioverter-defibrillator; ICD, implantable cardioverter-defibrillator; LVEF, left ventricular ejection fraction.
a
Total sample includes all Medicare beneficiaries who received primary prevention ICDs between January 1, 2007, and December 31, 2015, with complete data in the NCDR registry.
b
Class I indicates no limitation or physical activity; class II, slight limitation of physical activity; class III, marked limitation of physical activity; and class IV, unable to carry on any physical activity without discomfort.